Examlex
Which of the following PACs contributed the most during the 2012 congressional elections?
Reactivity
The phenomenon in which the presence of an observer or the awareness of being observed alters the behavior of those being observed.
Reliability
The consistency of a measure or instrument, such that it yields the same results under consistent conditions across multiple trials.
Variability
The degree to which data points in a statistical distribution or data set diverge from the average or mean value.
Null Hypothesis
A statement in statistical inference that proposes there is no significant difference or effect, serving as the basis for testing.
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